DE69510119D1 - Verfahren zur Abtrennung von 1,1-Difluorethan aus seinen Mischungen mit Fluorwasserstoff - Google Patents

Verfahren zur Abtrennung von 1,1-Difluorethan aus seinen Mischungen mit Fluorwasserstoff

Info

Publication number: DE69510119D1
Authority: DE; Germany
Prior art keywords: difluoroethane; mixtures; separation; hydrogen fluoride; fluoride
Prior art date: 1994-04-11
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.): Expired - Fee Related

Application number

DE69510119T

Other languages

English (en)

Other versions

DE69510119T2 (de

Inventor

Dominique Balthasart

Philippe Decap

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

Solvay SA

Original Assignee

Solvay SA

Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)

1994-04-11

Filing date

1995-03-30

Publication date

1999-07-15

1995-03-30 Application filed by Solvay SA filed Critical Solvay SA

1999-07-15 Application granted granted Critical

1999-07-15 Publication of DE69510119D1 publication Critical patent/DE69510119D1/de

1999-12-23 Publication of DE69510119T2 publication Critical patent/DE69510119T2/de

2015-03-31 Anticipated expiration legal-status Critical

Status Expired - Fee Related legal-status Critical Current

Classifications

- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B7/00—Halogens; Halogen acids
- C01B7/19—Fluorine; Hydrogen fluoride
- C01B7/191—Hydrogen fluoride
- C01B7/195—Separation; Purification
- C01B7/196—Separation; Purification by distillation
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C17/00—Preparation of halogenated hydrocarbons
- C07C17/38—Separation; Purification; Stabilisation; Use of additives

Landscapes

Chemical & Material Sciences (AREA)
Organic Chemistry (AREA)
Inorganic Chemistry (AREA)
Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)

DE69510119T 1994-04-11 1995-03-30 Verfahren zur Abtrennung von 1,1-Difluorethan aus seinen Mischungen mit Fluorwasserstoff Expired - Fee Related DE69510119T2 (de)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
FR9404354A FR2718437B1 (fr)	1994-04-11	1994-04-11	Procédé de séparation du 1,1-difluoroéthane de ses mélanges avec le fluorure d'hydrogène.

Publications (2)

Publication Number	Publication Date
DE69510119D1 true DE69510119D1 (de)	1999-07-15
DE69510119T2 DE69510119T2 (de)	1999-12-23

Family

ID=9462036

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
DE69510119T Expired - Fee Related DE69510119T2 (de)	1994-04-11	1995-03-30	Verfahren zur Abtrennung von 1,1-Difluorethan aus seinen Mischungen mit Fluorwasserstoff

Country Status (6)

Country	Link
US (1)	US5626725A (de)
EP (1)	EP0676386B1 (de)
JP (1)	JP3766117B2 (de)
DE (1)	DE69510119T2 (de)
ES (1)	ES2134996T3 (de)
FR (1)	FR2718437B1 (de)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JP3163831B2 (ja) *	1993-04-06	2001-05-08	ダイキン工業株式会社	１，１−ジフルオロエタンとフッ化水素の共沸混合物および１，１−ジフルオロエタンまたはフッ化水素の回収方法
US5849160A (en) *	1994-10-07	1998-12-15	Daikin Industries, Ltd.	Process of separating pentafluoroethane and process of producing pentafluoroethane using the same
US5789633A (en) *	1995-06-06	1998-08-04	E. I. Du Pont De Nemours And Company	Azeotropic or azeotrope-like compositions of hydrofluoric acid with dihaloethanes
US5672788A (en) *	1995-06-07	1997-09-30	E. I. Du Pont De Nemours And Company	Two-step process for manufacturing 1,1-difluoroethane
US5714650A (en) *	1995-06-07	1998-02-03	E. I. Du Pont De Nemours And Company	Continuous manufacture of 1,1-difluoroethane
US6755942B1 (en)	1995-08-01	2004-06-29	E. I. Du Pont De Nemours And Company	Process for the manufacture of halocarbons and selected compounds and azeotropes with HF
WO1997005089A1 (en)	1995-08-01	1997-02-13	E.I. Du Pont De Nemours And Company	Process for the manufacture of halocarbons and selected compounds and azeotropes with hf
US5866728A (en) *	1996-01-05	1999-02-02	E. I. Dupont De Nemours And Company	Use of alkali metal halides in the manufacture of 1, 1-difluoroethane
JP2933014B2 (ja) *	1996-01-23	1999-08-09	ダイキン工業株式会社	ペンタフルオロプロパンとフッ化水素の共沸混合物およびペンタフルオロプロパンの分離精製方法
EP1428811B1 (de) *	1997-02-19	2011-04-20	E.I. Du Pont De Nemours And Company	Azeotropische Zusammensetzungen enthaltend 1,1,1,2,3,3,3-Heptafluorpropan und Verfahren, die diese Zusammensetzungen verwenden
US6376727B1 (en)	1997-06-16	2002-04-23	E. I. Du Pont De Nemours And Company	Processes for the manufacture of 1,1,1,3,3-pentafluoropropene, 2-chloro-pentafluoropropene and compositions comprising saturated derivatives thereof
EP0964845B1 (de) *	1997-02-19	2004-07-28	E. I. du Pont de Nemours and Company	Verfahren für die herstellung von 1,1,1,3,3-pentafluorpropen und 2-chlor-pentafluorpropen
FR2771737B1 (fr) *	1997-12-01	2000-02-04	Solvay	Procedes de production et d'epuration de 1,1-difluoroethane et produit ainsi obtenu
FR2791976B1 (fr) *	1999-03-24	2001-07-27	Solvay	Compositions contenant du fluorure d'hydrogene et du 1,1,1,3,3-pentafluorobutane, procede pour la separation de melanges comprenant de telles compositions et procede pour la synthese de 1,1,1,3,3-pentafluorobutane
CN101462924A (zh) *	2001-06-01	2009-06-24	霍尼韦尔国际公司	1,1,1,3,3-五氟丁烷与氟化氢的共沸混合物的应用
US7696392B2 (en) *	2003-11-10	2010-04-13	Showa Denko K.K.	Purification method of 1,1-difluoroethane
RU2614442C1 (ru) *	2016-04-22	2017-03-28	Общество с ограниченной ответственностью "ГалоПолимер Кирово-Чепецк"	Способ получения 1,1-дифторэтана
EP3610871B1 (de) *	2016-09-19	2023-11-08	Mexichem Fluor S.A. de C.V.	Pharmazeutische zusammensetzung enthaltend glycopyrrolate
CN112608216B (zh) *	2020-11-23	2022-01-21	浙江衢化氟化学有限公司	一种联产1,1-二氟乙烷和氯乙烯的方法

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4021312A (en) *	1975-10-15	1977-05-03	Phillips Petroleum Company	Process to separate ethyl fluoride and HF
CN1037600C (zh) *	1992-01-15	1998-03-04	浙江省化工研究院	1，1-二氟乙烷的改进分离提纯方法
JP3163831B2 (ja) *	1993-04-06	2001-05-08	ダイキン工業株式会社	１，１−ジフルオロエタンとフッ化水素の共沸混合物および１，１−ジフルオロエタンまたはフッ化水素の回収方法

1994
- 1994-04-11 FR FR9404354A patent/FR2718437B1/fr not_active Expired - Fee Related
1995
- 1995-03-30 DE DE69510119T patent/DE69510119T2/de not_active Expired - Fee Related
- 1995-03-30 ES ES95200801T patent/ES2134996T3/es not_active Expired - Lifetime
- 1995-03-30 EP EP95200801A patent/EP0676386B1/de not_active Expired - Lifetime
- 1995-04-10 US US08/419,557 patent/US5626725A/en not_active Expired - Fee Related
- 1995-04-11 JP JP08510295A patent/JP3766117B2/ja not_active Expired - Fee Related

Also Published As

Publication number	Publication date
ES2134996T3 (es)	1999-10-16
DE69510119T2 (de)	1999-12-23
FR2718437B1 (fr)	1996-06-28
US5626725A (en)	1997-05-06
EP0676386B1 (de)	1999-06-09
JP3766117B2 (ja)	2006-04-12
FR2718437A1 (fr)	1995-10-13
EP0676386A1 (de)	1995-10-11
JPH07278024A (ja)	1995-10-24

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Legal Events

Date	Code	Title	Description
2000-06-29	8364	No opposition during term of opposition
2007-01-18	8339	Ceased/non-payment of the annual fee